InChI=1S/C23H23ClFN3O3/c24-16-3-6-19-15(12-16)13-20(26-19)22(30)27-21(11-14-1-4-17(25)5-2-14)23(31)28-9-7-18(29)8-10-28/h1-6,12-13,18,21,26,29H,7-11H2,(H,27,30)/t21-/m0/s1